ATan Intrinsic

ATan(X)

ATan: REAL function, the `KIND=' value of the type being that of argument X.

X: REAL; scalar; INTENT(IN).

Intrinsic groups: (standard FORTRAN 77).

Description:

Returns the arc-tangent (inverse tangent) of X in radians.

See section Tan Intrinsic, for the inverse of this function.

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